As governments from Auckland to San Francisco took the unprecedented step of ordering residents to stay home to contain the coronavirus pandemic, financial regulators faced a vexing question: what to do with the stock markets, especially the ones that still employ humans on trading floors? New York Stock Exchange (NYSE) on Monday closed its iconic trading floor and transferred all transactions to its electronic trading platform after two people working at the world's largest financial market caught the novel coronavirus SARS-CoV-2, the pathogen that has claimed more than 15,000 lives so far globally.